(Reuters) - Over 30 technology companies including Alphabet Inc , Amazon.com Inc and Facebook Inc. on Friday urged a U.S. patent court to disregard drugmaker Allergan Plc's contention that its transfer of some of its patents to a Native American tribe shields them from the court's review.

HELSINKI (Reuters) - Samsung Electronics' $8 billion purchase of automotive and audio electronics company Harman has given the technology conglomerate confidence to chase more big deals, its strategy chief said on Friday.

A federal regulator gave the go ahead on Friday to the CME Group to start trading bitcoin futures later month, the first time the digital currency will be traded on a Wall Street exchange and subject to federal oversight

MILAN (Reuters) - The head of Italy's top retail bank Intesa Sanpaolo joined a growing chorus of Bitcoin critics, calling the wild gyrations in the price of the cryptocurrency a speculative bubble and saying global regulatory scrutiny was essential.

The U.S. Department of Energy has its share of challenges as it conducts some of the world's most high-tech research, maintains a stockpile of nuclear weapons and cleans up after decades of bomb-making

WASHINGTON (Reuters) - The main U.S. derivatives regulator said on Friday it would allow CME Group Inc and CBOE Global Markets Inc to list bitcoin futures contracts, opening the door to added regulation and more mainstream adoption of the cryptocurrency.

HELSINKI/TORONTO (Reuters) - An arbitration court ordered smartphone pioneer BlackBerry Ltd to pay $137 million to Nokia to settle a payment dispute and the Canadian company said it would pursue a separate patent infringement case against the Finnish firm.